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API · /cryptoarbitrage-api

Crypto Arbitrage API

healthy 3,501 Subscribers

Live crypto cross-exchange price comparison and arbitrage spread — the spot price of a coin on the major centralised exchanges at once, served straight from each exchange's public ticker. For any base coin it fetches the spot price from Binance, OKX, Bybit, KuCoin and Coinbase in parallel, returns the per-exchange price table, identifies the cheapest venue to buy and the most expensive to sell, and computes the spread between them — absolute and percentage — the headline cross-exchange arbitrage gap. Get the full price table, the best buy/sell opportunity, or the list of exchanges. Live, no key, no cache. Quotes are USDT (Binance/OKX/Bybit/KuCoin) or USD (Coinbase), within a few basis points. A price-discovery and arbitrage layer for trading, analytics and dashboard apps. Distinct from single-exchange price and OHLC APIs — this is the cross-exchange arbitrage view.

#crypto #arbitrage #exchange #spot-price #binance #coinbase #trading #price-comparison
api.oanor.com/cryptoarbitrage-api
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Machine-readable spec so AI agents can integrate this API.

/api/cryptoarbitrage-api/openapi.json
/api/cryptoarbitrage-api/llms.txt

Discovery: GET /api/index.json lists every API.

API health

healthy
Uptime
100.00%
Server probes · 24h
Avg latency
304 ms
Server probes · 24h
Subscribers
3,501
active
Total calls
24
last 7 days
status Full status page → · 12 probes/24h

Pricing

Pick a tier — billed monthly, cancel anytime.

Free

Free

  • 8,000 calls / month
  • 5 requests / second
  • Hard cap (429 above quota, no overage)
  • 8k calls/month
  • 5 req/sec
  • All endpoints
  • No credit card
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Starter

€12.00 /month

  • 110,000 calls / month
  • 15 requests / second
  • Hard cap (429 above quota, no overage)
  • 110k calls/month
  • 15 req/sec
  • Email support
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Pro

€34.00 /month

  • 550,000 calls / month
  • 40 requests / second
  • Hard cap (429 above quota, no overage)
  • 550k calls/month
  • 40 req/sec
  • Priority support
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Desk

€82.00 /month

  • 2,800,000 calls / month
  • 100 requests / second
  • Hard cap (429 above quota, no overage)
  • 2.8M calls/month
  • 100 req/sec
  • Dedicated SLA
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Related APIs

Other APIs with overlapping tags.

Bithumb Exchange API

Live spot market data from Bithumb, South Korea's major crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, 24h open/high/low, 24h change and base/quote volume; rank every market for a payment currency (Korean won KRW, or BTC) by 24h turnover; list the tradable coins; or pull live order-book depth with the running spread. Markets are addressed COIN_PAYMENT (BTC_KRW, ETH_BTC). This is the Bithumb venue specifically — a distinct Korean-won price feed, ideal for tracking the "kimchi premium" and KRW price discovery, separate from the USD/USDT-quoted exchange APIs in the catalogue.

api.oanor.com/bithumb-api

Biconomy Exchange API

Live spot market data from Biconomy, a global crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, 24h high/low, 24h change and base/quote volume; rank every spot market for a quote currency (USDT, BTC, ETH…) by 24h turnover; list the tradable pairs with their base, quote and precision; or pull live order-book depth with the real best bid/ask and running spread. Markets are addressed as BTC_USDT, with base and quote either side of the underscore. This is the Biconomy venue specifically — a distinct global exchange feed, separate from the other exchange APIs in the catalogue, so cross-venue arbitrage and price-discovery workflows can read each book on its own terms.

api.oanor.com/biconomy-api

Deepcoin Exchange API

Live spot market data from Deepcoin, a global crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h high/low, 24h change and base/quote volume; rank every spot market for a quote currency (USDT, BTC, ETH…) by 24h quote volume; list the tradable instruments with their base, quote and tick/lot size; or pull live order-book depth with the running spread. Markets are addressed OKX-style as BTC-USDT, with base and quote either side of the hyphen. This is the Deepcoin venue specifically — a distinct global exchange feed, separate from the other exchange APIs in the catalogue, so cross-venue arbitrage and price-discovery workflows can read each book on its own terms.

api.oanor.com/deepcoin-api

CoinW Exchange API

Live spot market data from CoinW, a global crypto exchange, served straight from its public order books — no key on the data, nothing cached, nothing stored. Look up any market for its last price, best bid/ask and spread, 24h high/low, 24h change and turnover; rank every spot market for a quote currency (USDT, BTC, ETH…) by 24h turnover; list the tradable pairs with their base and quote; or pull live order-book depth with the running spread. Markets are addressed as BTC_USDT, with base and quote either side of the underscore. This is the CoinW venue specifically — a distinct global exchange feed, separate from the other exchange APIs in the catalogue, so cross-venue arbitrage and price-discovery workflows can read each book on its own terms.

api.oanor.com/coinw-api

Frequently asked questions

Quick answers about pricing, quotas, and integration.

How do I get an API key for Crypto Arbitrage API?
Sign up for free at oanor.com, generate an API key from the developer dashboard, and call Crypto Arbitrage API with the x-oanor-key header. No credit card needed for the free tier.
What's the rate limit for Crypto Arbitrage API?
Free tier allows 1 request per second. Paid plans scale up to 50 requests per second on the Mega tier. Hard limits return HTTP 429 above the quota — no surprise overage charges.
How much does Crypto Arbitrage API cost?
Crypto Arbitrage API has a free tier with 100 calls / month. Paid plans start at €12.00 / month with higher quotas and faster rate limits.
Can I cancel my subscription anytime?
Yes. Plans are billed monthly and you can cancel anytime from your billing dashboard. No long-term contracts and no cancellation fee.
Is Crypto Arbitrage API GDPR-compliant?
All requests to Crypto Arbitrage API go through our EU-based gateway. Your upstream API key never leaves our server and no personal data is shared with the upstream provider beyond the request you send.

Pick an endpoint from the list on the left to see its details and try it.

Code snippets

Sign up to get an API key, then call any path under your slug.

curl https://api.oanor.com/cryptoarbitrage-api/SOME_PATH \
  -H "x-oanor-key: oanor_test_..."
const res = await fetch("https://api.oanor.com/cryptoarbitrage-api/SOME_PATH", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
const data = await res.json();
$ch = curl_init("https://api.oanor.com/cryptoarbitrage-api/SOME_PATH");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
$response = curl_exec($ch);
import requests
r = requests.get(
    "https://api.oanor.com/cryptoarbitrage-api/SOME_PATH",
    headers={"x-oanor-key": "oanor_test_..."},
)
print(r.json())

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